Mobile device holder



FIG. 1 is a first perspective view of a mobile device holder, showing the new design;

FIG. 2 is a top-side view thereof;

FIG. 3 is a front-side view thereof;

FIG. 4 is a rear-side view thereof;

FIG. 5 is a left-side view thereof;

FIG. 6 is a right-side view thereof;

FIG. 7 is a bottom-side view thereof;

FIG. 8 is a second perspective view thereof; and,

FIG. 9 is a third perspective view thereof.

Content shown in phantom is not considered to be part of the new design. 

CLAIM The ornamental design for a mobile device holder, as shown and described. 